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inveterate

American  
[in-vet-er-it] / ɪnˈvɛt ər ɪt /

adjective

  1. settled or confirmed in a habit, practice, feeling, or the like.

    an inveterate gambler.

    Synonyms:
    habitual, constant, hardened
  2. firmly established by long continuance, as a disease, habit, practice, feeling, etc.; chronic.

    Synonyms:
    rooted, fixed, set

inveterate British  
/ ɪnˈvɛtərɪt /

adjective

  1. long established, esp so as to be deep-rooted or ingrained

    an inveterate feeling of hostility

  2. (prenominal) settled or confirmed in a habit or practice, esp a bad one; hardened

    an inveterate smoker

  3. obsolete full of hatred; hostile

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of inveterate

First recorded in 1375–1425; late Middle English, from Latin inveterātus (past participle of inveterāre “to grow old, allow to grow old, preserve”), equivalent to in- in- 2 + veter- (stem of vetus “old”) + -ātus -ate 1; cf. veteran

Explanation

If you're an inveterate doodler, all your notebooks are covered with drawings. If you're an inveterate golf player, you probably get twitchy if you haven't been out on a course in a week. Inveterate comes from the Latin root for “old,” and it describes old habits. In Middle English the word was associated with chronic disease. Now it simply refers to something that is a signature habit with a person. If you’ve loved books ever since you were a toddler, and you regularly check out big stacks from the library, you’re an inveterate reader. And if you're an inveterate nail-biter, nothing can cure you of the habit.

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Duer was also an inveterate speculator and get-rich-quick schemer: “king of the alley,” as Thomas Jefferson derisively referred External link to Wall Street.

From Barron's • Mar. 1, 2026

Still, there is irony in Grantham, the inveterate bear, advancing an argument that could turn out to have bullish implications.

From MarketWatch • Feb. 17, 2026

With that in mind, the shadow cockroach “Angels” projects into your kitchen may be just a bit of Peter Pan-esque play from an inveterate digital prankster.

From Salon • Nov. 7, 2025

They peg him as an inveterate showman who is less interested in Russia and China than dioramas of the new White House ballroom or a Triumphal Arch near the Lincoln Memorial.

From The Wall Street Journal • Oct. 24, 2025

At its psychological nub, Washington’s inveterate realism was rooted in his commitment to control, over himself and over any and all events with the power to determine his fate.

From "Founding Brothers: The Revolutionary Generation" by Joseph J. Ellis

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